Method glossary

random effects

Meta-analysis model that allows the effect to vary between studies.

Source

Cochrane Handbook for Systematic Reviews of Interventions (6.5)
Higgins JPT, Thomas J, Chandler J, Cumpston M, Li T, Page MJ, Welch VA (editores)
https://www.cochrane.org/authors/handbooks-and-manuals/handbook/current

Where, in the source

ch. 10, §10.3.2 — Random-effects methods for meta-analysis

Checked at the source on

2026-08-10

Verbatim

The official passage from this source is transcribed and checked in our own method document, with the date of verification.

Who wrote this

The wording of this entry is ours, written for people outside the field. The concept and its limits come from the source above, against which this wording is checked — it is neither a translation nor a copy of it.

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